Cai Qi, a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee and a member of the Secretariat of the CPC Central Committee, visits radiochemist Wang Fangding on Feb. 7, 2024. On behalf of the CPC Central Committee and General Secretary Xi Jinping, Cai visited several prominent figures on Wednesday morning and extended festive greetings to all people working in the culture, science and technology circles for the upcoming Chinese Lunar New Year. (Xinhua/Ding Haitao)